There's nothing quite like that yelp of laughter you emit when being tickled. Now, experts have confirmed that shrieks induced by tickling really do sound recognisably different to other types of ...

March 31, 2005 — -- We may know what kinds of things make us laugh -- slapstick, a clever pun, an inside joke with an old friend, an April Fools' gag -- but just what are those strange sounds we ...

The way people laugh when tickled is “uniquely different” from other laughter such as when hearing a joke, according to a new study. Researchers at the University of Amsterdam say both machines and ...